Table 2 Scoring criteria of disease activity index
Scoring | Percentage of body mass decrease | Stool viscosity | Stool bleeding |
|---|---|---|---|
0 |  < 1% | Normal (formed, granular) | Normal |
1 | 1% ~ 5% |  |  |
2 | 5% ~ 11% | Loose (mushy, not adhering to anus) | Occult blood |
3 | 11% ~ 15% |  |  |
4 |  > 15% | Diarrhea (watery, adherent to anus) | Bloody stool |